Uplink Transmission With Repetitions

Abstract

Embodiments of the present disclosure relate to uplink transmission with repetitions. According to embodiments of the present disclosure, a user equipment (UE) comprises a transceiver configured to communicate with a network; and a processor communicatively coupled to the transceiver and configured to perform operations. The operations comprise determining first Channel State Information (CSI) and second CSI based on at least one of a previous channel and interference measurement or a latest channel and interference measurement. The operations further comprise transmitting the first CSI via the transceiver to the network with a first beam, the first CSI multiplexed with a first repetition of an uplink transmission with the first beam. The operations further comprise transmitting the second CSI via the transceiver to the network with a second beam, the second CSI multiplexed with a second repetition of the uplink transmission with the second beam.

1 - 27 . (canceled) 
     
     
         28 . A method, comprising:
 receiving downlink control information (DCI) from a network, wherein the DCI comprises a field indicating two groups of beams and digital precoders;   receiving a radio resource control (RRC) message indicating a mapping mode, wherein the mapping mode is one of cyclic mapping or sequential mapping;   selecting one of a plurality of transmission schemes based on the field indicating the two groups of digital beams and precoders and the mapping mode;   generating repetitions of an uplink transmission based on the selected transmission scheme; and   transmitting the repetitions to the network.   
     
     
         29 . The method of  claim 28 , further comprising:
 receiving information related to a number of the two groups of beams and digital precoders; and   wherein generating the repetitions comprises:
 in accordance with a determination that the number is equal to two, determining whether a first group of the at least one group is associated with a second predefined field in a second signaling for scheduling the uplink transmission based on resource allocation information in the second signaling; and 
 in accordance with a determination that the first group is associated with the second predefined field, generating a starting repetition of the repetitions based on the first group. 
   
     
     
         30 . The method of  claim 28 , wherein the uplink transmission comprises channel state information (CSI). 
     
     
         31 . The method of  claim 28 , wherein the DCI is for a dynamic grant (DG) physical uplink shared channel (PUSCH). 
     
     
         32 . The method of  claim 28 , wherein the first group of beams and digital precoders corresponds to a first sounding reference signal (SRS) resource indication (SRI) and a second group of beams and digital precoders corresponds to a second SRI. 
     
     
         33 . The method of  claim 28 , wherein when the predefined field indicates a codepoint “00”, selecting a first transmission scheme from the plurality of transmission schemes, wherein the first transmission scheme includes generating repetitions based on a first beam and digital precoder of the two groups of beams and digital precoders. 
     
     
         34 . The method of  claim 28 , wherein when the predefined field indicates a codepoint “01”, selecting a second transmission scheme from the plurality of transmission schemes, wherein the second transmission scheme includes generating repetitions based on a second beam and digital precoder of the two groups of beams and digital precoders. 
     
     
         35 . The method of  claim 28 , wherein when the predefined field indicates a codepoint “10”, selecting one of a third or fourth transmission scheme from the plurality of transmission schemes, wherein the third and fourth transmission schemes include generating repetitions that are to be mapped to the two groups of beams and digital precoders based on the mapping mode. 
     
     
         36 . The method of  claim 28 , wherein when the predefined field indicates a codepoint “11”, selecting one of a fifth or sixth transmission scheme from the plurality of transmission schemes, wherein the fifth or sixth transmission schemes include generating repetitions that are to be mapped to the two groups of beams and digital precoders based on the mapping mode. 
     
     
         37 . An apparatus comprising processing circuitry coupled to memory, wherein the processing circuitry is configured to:
 process, based on signaling from a network, downlink control information (DCI) comprising a field indicating two groups of beams and digital precoders;   process, based on signaling from the network, a radio resource control (RRC) message indicating a mapping mode, wherein the mapping mode is one of cyclic mapping or sequential mapping;   select one of a plurality of transmission schemes based on the field indicating the two groups of digital beams and precoders and the mapping mode; and   generate, for transmission to the network repetitions of an uplink transmission based on the selected transmission scheme.   
     
     
         38 . The apparatus of  claim 37 , wherein the processing circuitry is further configured to:
 process, based on signaling from the network, information related to a number of the two groups of beams and digital precoders; and   wherein generating the repetitions comprises:
 in accordance with a determination that the number is equal to two, determine whether a first group of the at least one group is associated with a second predefined field in a second signaling for scheduling the uplink transmission based on resource allocation information in the second signaling; and 
 in accordance with a determination that the first group is associated with the second predefined field, generate a starting repetition of the repetitions based on the first group. 
   
     
     
         39 . The apparatus of  claim 37 , wherein the uplink transmission comprises channel state information (CSI). 
     
     
         40 . The apparatus of  claim 37 , wherein the DCI is for a dynamic grant (DG) physical uplink shared channel (PUSCH). 
     
     
         41 . The apparatus of  claim 37 , wherein the first group of beams and digital precoders corresponds to a first sounding reference signal (SRS) resource indication (SRI) and a second group of beams and digital precoders corresponds to a second SRI. 
     
     
         42 . The apparatus of  claim 37 , wherein when the predefined field indicates a codepoint “00”, selecting a first transmission scheme from the plurality of transmission schemes, wherein the first transmission scheme includes generating repetitions based on a first beam and digital precoder of the two groups of beams and digital precoders. 
     
     
         43 . The apparatus of  claim 37 , wherein when the predefined field indicates a codepoint “01”, selecting a second transmission scheme from the plurality of transmission schemes, wherein the second transmission scheme includes generating repetitions based on a second beam and digital precoder of the two groups of beams and digital precoders. 
     
     
         44 . The apparatus of  claim 37 , wherein when the predefined field indicates a codepoint “10”, selecting one of a third or fourth transmission scheme from the plurality of transmission schemes, wherein the third and fourth transmission schemes include generating repetitions that are to be mapped to the two groups of beams and digital precoders based on the mapping mode. 
     
     
         45 . The apparatus of  claim 37 , wherein when the predefined field indicates a codepoint “11”, selecting one of a fifth or sixth transmission scheme from the plurality of transmission schemes, wherein the fifth or sixth transmission schemes include generating repetitions that are to be mapped to the two groups of beams and digital precoders based on the mapping mode. 
     
     
         46 . A processor of a user equipment (UE), configured to:
 process, based on signaling from a network, downlink control information (DCI) comprising a field indicating two groups of beams and digital precoders;   process, based on signaling from the network, a radio resource control (RRC) message indicating a mapping mode, wherein the mapping mode is one of cyclic mapping or sequential mapping;   select one of a plurality of transmission schemes based on the field indicating the two groups of digital beams and precoders and the mapping mode; and   generate, for transmission to the network repetitions of an uplink transmission based on the selected transmission scheme.   
     
     
         47 . The processor of  claim 46 , wherein the processor is further configured to:
 process, based on signaling from the network, information related to a number of the two groups of beams and digital precoders; and   wherein generating the repetitions comprises:
 in accordance with a determination that the number is equal to two, determine whether a first group of the at least one group is associated with a second predefined field in a second signaling for scheduling the uplink transmission based on resource allocation information in the second signaling; and 
 in accordance with a determination that the first group is associated with the second predefined field, generate a starting repetition of the repetitions based on the first group.